Maricopa County Population (2026)
Population of Maricopa County with area, density and how it compares to nearby places.
Population of Maricopa County
Maricopa County ranks #1 by population among 2 comparable places in this atlas.
Quick facts about Maricopa County
| Type | County |
|---|---|
| State | Arizona |
| Country | United States |
| Continent | North America |
| Coordinates | 33°26′54.2″N 112°4′26.4″W (33.4484, -112.074) |
| Population | 4.500.000 |
| Local time | 11:12 AM (UTC-07:00) |
| Best months | February, March, April, May and November |
| Climate | Hot and arid |
Summary
Maricopa County is a county in Arizona. Maricopa County is a county in the United States. It has a population of about 4.5 million.
Right now it is 104°F (40°C) in Maricopa County with clear. It feels like 99°F. Today runs from 90°F to 114°F. Chance of precipitation is 1%. Sightseeing conditions score 7.2/10 - good conditions.
The best time to visit Maricopa County is February, March, April, May and November. The climate is hot and arid. July, August and September tend to be the least comfortable months. July is the warmest month with average highs near 107°F, while January is the coldest with lows near 43°F.
The closest major airport is Phoenix Sky Harbor International Airport (PHX), about 4 mi away. Nearby highlights include Saguaro National Park, Slide Rock State Park, Petrified Forest National Park and Grand Canyon (UNESCO World Heritage Site).
In plain terms. Today is warmer than average for August. The forecast high of 114°F is 7.4°F above the 107°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Maricopa County today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Map of Maricopa County
Interactive map with nearby places. Switch between street, terrain and satellite views.
Coordinates: 33°26′54.2″N 112°4′26.4″W (33.4484, -112.074)
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Frequently asked questions
Where is Maricopa County?
Maricopa County is a county in Arizona. Its coordinates are 33.4484, -112.074. It lies in North America.
What is the weather like in Maricopa County right now?
It is currently 104°F (40°C) with clear. Humidity is 11% and wind is 6 mph.
When is the best time to visit Maricopa County?
February, March, April, May and November offer the most comfortable conditions in Maricopa County, which has a hot and arid climate. July, August and September are usually the hardest months for outdoor plans.
What time zone is Maricopa County in?
Maricopa County observes America/Phoenix (UTC-07:00). The local time is 11:12 AM.
How many people live in Maricopa County?
Maricopa County has a population of approximately 4.5 million.
What is the nearest airport to Maricopa County?
The closest airports are Phoenix Sky Harbor International Airport (PHX), 4 mi away, Harry Reid International Airport (LAS), 252 mi away and San Diego International Airport (SAN), 300 mi away.
What are the top things to do in Maricopa County?
Popular options include Saguaro National Park, Slide Rock State Park, Petrified Forest National Park, Grand Canyon (UNESCO World Heritage Site), Colorado River and Grand Canyon National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 11:12 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
